In Isaiah 6, Isaiah God brings Isaiah into His presence and almighty glory. The experience of God's presence changes him and transforms him. He knows he is sinful and his sinful nature is revealed and brought to light in God's presence. Jesus forgives him for his sins, removes his guilt, and cleanses him. He responds with confidence and urgency in his desire to carry out God's will and call for his life. He's willing and wants nothing more than to give up everything to walk out the call of God on his life. When the presence of God arrives in our lives, our desires shift. We desire more and more of God and less and less of ourselves. Our hearts change. We are transformed for God and all His glory.
